source file of the GNU LilyPond music typesetter
- (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "performer.hh"
-#include "command-request.hh"
-#include "musical-request.hh"
+
+#include "event.hh"
#include "audio-item.hh"
/*
TODO:
- handle multiple requests
- */
+
+ handle multiple events
-/**
- perform absolute (text) dynamics
+ perform absolute (text) dynamics
*/
class Dynamic_performer : public Performer
{
public:
- TRANSLATOR_DECLARATIONS(Dynamic_performer);
+ TRANSLATOR_DECLARATIONS (Dynamic_performer);
protected:
virtual bool try_music (Music* req);
virtual void stop_translation_timestep ();
Audio_dynamic* audio_;
};
-
-
Dynamic_performer::Dynamic_performer ()
{
script_req_ = 0;
SCM proc = get_property ("dynamicAbsoluteVolumeFunction");
SCM svolume = SCM_EOL;
- if (gh_procedure_p (proc))
+ if (ly_c_procedure_p (proc))
{
// urg
- svolume = gh_call1 (proc, script_req_->get_mus_property ("text"));
+ svolume = scm_call_1 (proc, script_req_->get_property ("text"));
}
- Real volume = 0.5;
- if (gh_number_p (svolume))
- volume = gh_scm2double (svolume);
+ Real volume = robust_scm2double (svolume, 0.5);
/*
properties override default equaliser setting
*/
SCM min = get_property ("midiMinimumVolume");
SCM max = get_property ("midiMaximumVolume");
- if (gh_number_p (min) || gh_number_p (max))
+ if (ly_c_number_p (min) || ly_c_number_p (max))
{
Interval iv (0, 1);
- if (gh_number_p (min))
- iv[MIN] = gh_scm2double (min);
- if (gh_number_p (max))
- iv[MAX] = gh_scm2double (max);
+ if (ly_c_number_p (min))
+ iv[MIN] = ly_scm2double (min);
+ if (ly_c_number_p (max))
+ iv[MAX] = ly_scm2double (max);
volume = iv[MIN] + iv.length () * volume;
}
else
*/
SCM s = get_property ("midiInstrument");
- if (!gh_string_p (s))
+ if (!ly_c_string_p (s))
s = get_property ("instrument");
- if (!gh_string_p (s))
- s = ly_str02scm ("piano");
+ if (!ly_c_string_p (s))
+ s = scm_makfrom0str ("piano");
SCM eq = get_property ("instrumentEqualizer");
- if (gh_procedure_p (eq))
+ if (ly_c_procedure_p (eq))
{
- s = gh_call1 (eq, s);
+ s = scm_call_1 (eq, s);
}
- if (gh_pair_p (s))
+ if (is_number_pair (s))
{
- Interval iv;
- iv[MIN] = gh_scm2double (ly_car (s));
- iv[MAX] = gh_scm2double (ly_cdr (s));
+ Interval iv = ly_scm2interval (s);
volume = iv[MIN] + iv.length () * volume;
}
}
{
if (!script_req_)
{
- if (dynamic_cast <Text_script_req*> (r)
- && r->get_mus_property ("text-type") == ly_symbol2scm ("dynamic"))
+ if (r->is_mus_type ("absolute-dynamic-event")) // fixme.
{
script_req_ = r;
return true;
return false;
}
-ENTER_DESCRIPTION(Dynamic_performer,
- "","","","dynamicAbsoluteVolumeFunction midiMaximumVolume midiMinimumVolume midiInstrument instrumentEqualizer","");
+ENTER_DESCRIPTION (Dynamic_performer,
+ /*descr*/ "",
+ /* creats*/ "",
+ /* accepts */ "absolute-dynamic-event",
+ /* acks */ "",
+ /*reads */"dynamicAbsoluteVolumeFunction midiMaximumVolume midiMinimumVolume midiInstrument instrumentEqualizer",
+ /*writes*/"");